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Search results
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Physics: Post your doubts here!
AOA Can someone answer my query.... Light is made of photons (packets of energy) right and is Wave also a part of electromagnetic spectrum ... So are all types of waves within the electromagnetic spectrum made of photons ? Or what is exactly an electromagnetic wave . How might electrons ...- Osaid Zahid
- Post #5,028
- Forum: A-Levels
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General paper discussion
No Voltmeter already has a high resistance... attaching directly wont't mean a short circuit..- Osaid Zahid
- Post #434
- Forum: O-Levels / GCSEs / IGCSE
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Biology; Chemistry; Physics: Post your doubts here!
Describe an experiment to measure the amperage of a battery ? How would you do this.... Amps is charge per time right and you can't attach an ammeter directly because it has very low resistance ... So you need a resistor but the large the value of resistor the lower the amperage will be...- Osaid Zahid
- Post #10,008
- Forum: O-Levels / GCSEs / IGCSE